1: (0 7 12)

(0)(1 20 2)(3 21 5)(4 10 6)(7 19 17 14 12 18 16 15 9)(8 13 11)

2: (9 12 18)

(0)(1 20 2)(3 21 5)(4 10 6)(7 19 17 14 12)(8 13 11)(9 16 15)(18)

3: (8 13 11)

(0)(1 20 2)(3 21 5)(4 10 6)(7 19 17 14 12)(8)(9 16 15)(11)(13)(18)

4: (7 14 12)

(0)(1 20 2)(3 21 5)(4 10 6)(7)(8)(9 16 15)(11)(12)(13)(14 19 17)(18)